Solve the Problem $S = A + B \sin \pi x / 6$

question 382

Multiple Choice

Solve the problem.
-The total sales in dollars of some small businesses fluctuates according to the equation $S = A + B \sin \pi x / 6$ , where $x$ is the time in months, with $x = 1$ corresponding to January, $A = 5800$ , and $B = 2600$ . Determine the month with the greatest total sales and give the sales in that month.

• A) September; \(\$ 3200\)
• B) June; \(\$ 5800\)
• C) March; \(\$ 8400\)
• D) December; \(\$ 8400\)

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